Vocabulary
The study of energy relationships that involve heat, mechanical work and other aspects of energy and heat transfer.
What is Thermodynamics?
the direct transfer of heat from one substance to another substance that is touching
What is Conduction?
Law of Conservation of Energy
What is energy can not be created nor destroyed?
100°C to °F
What is 212°F?
Work is the transfer of
What is energy?
the heat required to raise the temperature of the unit mass of a given substance by a given amount
What is specific heat?
the transfer of heat by movements of a fluid
What is convection?
the entropy of any isolated system always increases
What is the second law of Thermodynamics?
If 200. grams of water (4.18 J/g∙°C) is to be heated from 24.0°C to 100.0°C to make a cup of tea, how much heat must be added
What is 63,500 J?
heat always goes from a ____ substance to the ____ substance
What is warmer; colder?
No net flow of heat between them when they are brought into thermal contact
What is Thermal equilibrium?
the transfer of heat through space
What is Radiation?
energy can only be transferred or changed from one form to another
What is the first law of Thermodynamics?
What is 25°C?
Q=mC∆T or c=Q/m∆T
What is formula for specific heat?
the lowest temperature anything can reach
What is absolute zero?
heat transfer is occurring when the sun warms the sand
entropy of a system approaches a constant value as the temperature approaches absolute zero(can't reach absolute zero)
What is the third law of thermodynamics?
-273.15°C to °K
What is 0°K?
Thermal equalibrium law
Zeroth Law of Thermodynamics?
Any device that uses heat to perform work
What is Heat Engines?
Warm air rises and the cool air sinks heat transfer
What is convection?
the Zeroth Law of Thermodynamics
What is if A=B and B=C, then A=C?
A cube of gold (0.030 J/g∙°C) weighing 192.4g is heated from 30.0°C to some higher temperature, with the absorption of 226 joules of heat. What is the final temperature of the gold?
What is 69.2°C?
∆S=∆Q/T
What is the change in Entropy Equation?